Clinical quiz. White sponge nevus.
D002648:Child; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000188:drug therapy / Q000235:genetics / Q000473:pathology; D004947:Esophagus / Q000473:pathology; D005260:Female; D006801:Humans; D009061:Mouth Mucosa / Q000473:pathology; D009062:Mouth Neoplasms / Q000175:diagnosis* / Q000188:drug therapy / Q000235:genetics / Q000473:pathology*; D009506:Nevus / Q000175:diagnosis* / Q000188:drug therapy / Q000235:genetics / Q000473:pathology*; D014059:Tongue / Q000473:pathology